Keeping these symptoms in mind, it becomes increasingly clear that while Dormer does seem to be bothered by the never setting sun and his inability to sleep, his experience is better explained by Acute Stress Disorder. These symptoms include recurrent, intrusive and distressing memories, distressing dreams, flashbacks, an altered sense of self or surroundings, effort to avoid the memory, negative mood, and sleep disturbance (American Psychiatric Association, 2013). The symptoms of Acute Stress Disorder typically occur with 3 days to 1 month after a trauma but can manifest immediately (American Psychiatric Association, 2013). One diagnosis that captures Dormer’s experience alarmingly well is Acute Stress Disorder. It is only after he is exposed to the trauma of second crime that the majority of his symptoms begin to manifest.ĭue to this timing, from a psychological point of view, we can begin to examine differential diagnoses. ![]() It should also be noted that despite having no apparent sleep this one night, the following day he does not suffer many adverse effects despite being tired. Throughout Dormer’s time in Alaska, he endures one night in which he struggles to sleep before he witnesses a second crime. By creating this traumatic event in Dormer’s life, Nolan creates a scenario in which the audience sees both anxiety and lack of sleep contributing to Dormer’s decay. In addition to the midnight sun of Alaska, in true Christopher Nolan fashion, the director has added another element to Dormer’s decay: extreme anxiety. But just as Dormer begins his murder investigation, a second murder occurs and the anxiety surrounding this crime begins to take an extreme toll on his sleep and overall wellbeing. ![]() He appears drowsy, inattentive, confused, and he encounters numerous scenarios that appear to be visual hallucinations, a possible symptom of extreme sleep deprivation (West, Janszen, Lester, & Cornelisoon, 1962). ![]() Throughout Insomnia detective Dormer shows many signs of sleep deprivation. (American Psychiatric Association, 2013). In the United States one-quarter of the population report occasionally not getting enough sleep and about ten percent experience chronic insomnia (Center for Disease Control and Prevention, 2013), a disorder that is characterized by difficulty initiating sleep, maintaining sleep, and early morning awakening with the inability to return to sleep and is often due to increased anxiety and an overabundance of light.
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